Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 4561045 | Illuminated display assembly An illuminated display assembly comprising a light emitting member, a socket base member, a cap member housing the light emitting member therewithin and including at least one engaging leg to be engaged with the socket base member, and connection means ca... | 12/24/1985 |
| 4546418 | Mini center for electrical power distribution A power distribution center for use at marinas, trailor camps and the like includes a housing adapted to receive power feed cable from an external power source, the cables being connected to terminal blocks mounted within the housing and to which are conn... | 10/08/1985 |
| 4546419 | Wall receptacle recessed box contained light intensity on/off controlled night light system A wall recessed receptacle box contained night light with a photocell light intensity dusk-dawn (or room illumination) on/off switch control equipped with manual dimming control for a darker/brighter night light atmosphere. The night light box is insertab... | 10/08/1985 |
| 4514789 | Illuminated light switch plate with LED and oscillator circuit A light switch plate having a rearwardly opening housing for removably holding an AA battery is detachably mountable over a conventional wall mounted 110 volt AC light switch. An LED mounted on the front of the housing is connected to the battery through ... | 04/30/1985 |
| 4480292 | Light assembly A pair of lights are carried in a housing. One of the lights is in a constant "on" position, while the other is intermittently turned "on" and "off" through a switch means. The switch means is open and closed through a contact arm that is carried on a piv... | 10/30/1984 |
| 4479170 | Guiding light system This invention is a wall-mounted electric switch, having a toggle switch unit, with a button that is pivotable to three positions, and the button including an illuminating lamp.... | 10/23/1984 |
| 4356534 | Light supply device for an endoscope A connector is connected to an endoscope through a universal cord into which a light guide is inserted. A socket is fixed to a housing to receive the connector. A light is emitted from a lamp and, after being reflected by a reflective mirror, is transmitt... | 10/26/1982 |
| 4255780 | Illumination assembly for use with electrical terminal units An illumination assembly for facilitating visual determination of the situs of an electrical terminal unit, the unit being mountable on a wall with a removable cover plate positioned in front thereof. The illumination assembly includes a light source for ... | 03/10/1981 |
| 4234909 | Illuminated door lock An illuminated door lock is described which comprises in combination a door, a lock fitting in a hole through said door, a plate of translucent material resting on the exterior of the door, said plate having a hole in the middle which is coaxial with the ... | 11/18/1980 |
| 4205367 | Cigarette lighter holder and adapter A cigarette lighter holder is constructed to fit into a conventional motor vehicle cigarette lighter socket and is made of insulating material to hold a conventional butane gas lighter or the like in place for subsequent removal and use by the driver and ... | 05/27/1980 |
| 4152622 | Lamp-base assembly A baseless light bulb is locked into a one-piece molded base and the base provides mechanical and electrical connection of the light bulb to a circuit board.... | 05/01/1979 |
| 4038582 | Internally illuminated switch plate An internally illuminated switch plate for providing visual indications of the on-off condition of an electrical wall switch. The plate comprises a wall plate in the form of a flat slab adapted to overlie the wall fixture and constituted of material which... | 07/26/1977 |
| 4000405 | Electrical adaptor and night light A combined electrical receptacle type adaptor and night light providing both multiple electrical sockets and subdued illumination, comprising a wall plate in the form of a truncated pyramid with four sloped faces and a pair of conductor prongs protruding ... | 12/28/1976 |
| 3968356 | Lighted knob dimmer A dimmer device is provided with an improved illumination of its control knob. The light is transmitted to the knob from a light source such as a glow lamp positioned close to the shaft of the control knob. An opening is provided in the dimmer housing at ... | 07/06/1976 |
